understand the universe

Astrophysics is a branch of space science that applies the laws of physics and chemistry to explain the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe. It has two sibling sciences, astronomy(the study of the stars, galaxies, planets, moons, asteroids, comets and nebulae) and cosmology( the study of the origin, evolution, and eventual fate of the universe), and the lines between them blur.
 At NASA, the goals of astrophysics are to discover how the universe work, explore how it began and evolved, and search for life on planets around other stars, through the following projects
   Physics of the Cosmos
   Cosmic Origins
   Exoplanet Exploration
   Astrophysics Explorer Program
   Astrophysics Research


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